<template>
  <div id="login_container">
    <h1>医院预约挂号系统</h1>
    <!-- 登录盒子  -->
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="../assets/logo.jpg" alt="">
      </div>
      <!-- 登录表单 -->
      <el-form :model="loginForm" ref="LoginFormRef" label-width="0px" class="login_form" :rules="loginRules">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input  v-model="loginForm.username" prefix-icon="el-icon-user-solid"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input type="password" v-model="loginForm.password" prefix-icon="el-icon-s-grid"></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" size="small" @click="login()">登录</el-button>
          <el-button type="info" size="small" @click="reset()">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  name: 'Login',
  data(){
    return {
      loginForm:{
        username:"13888001001",
        password:"123456"
      },
      loginRules:{
        username:[
          { required: true, message: '账号不能为空', trigger: 'blur' },
        ],
        password:[
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 6, max: 12, message: '长度在 6 到 12 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods:{
    login(){
      this.$refs.LoginFormRef.validate(async valid=>{
        if(!valid) return
        //异步请求  await 同步请求
        this.$http.post("/sso/login?username="+this.loginForm.username+"&password="+this.loginForm.password).then(res=>{
          if(res.data.code===200){
            this.$message.success("登录成功");
            sessionStorage.setItem("token",res.data.data);
            this.$router.push("/home");
          } else {
            this.$message.error(res.data.message || "登录失败");
          }
        })

      })
    },
    reset(){
      // 重置功能
      this.loginForm={
        username:"",
        password:""
      }
    }
  }
}
</script>
<style scoped>
#login_container{
  width: 100%;
  height: 100%;
  background: url("@/assets/bg2.jpg") no-repeat center 0px;
  background-size: cover;
  -webkit-background-size: cover;
  -o-background-size: cover;
}
h1{
  position: absolute;
  left: 74%;
  top: 33%;
}
.login_box {
  width: 350px;
  height: 220px;
  background: #fff;
  border-radius: 3px;
  position: absolute;
  left: 90%;
  top: 70%;
  transform: translate(-90%, -70%);

}

.login_box > .avatar_box {
  height: 60px;
  width: 60px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 2px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

}

.login_box > .avatar_box > img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  top:50px;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
